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  • Sustainability  (20)
  • 333.7
  • Mt. Vesuvius
  • Training Department, Southeast Asian Fisheries Development Center  (19)
  • Springer Nature  (2)
  • Blackwell Publishing Ltd  (1)
  • American Chemical Society (ACS)
  • American Society of Hematology
  • 2020-2022  (22)
Collection
Keywords
Publisher
Years
Year
  • 1
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    Tracking the recent dynamics of Mt. Vesuvius from joint investigations of ground deformation, seismicity and geofluid circulation (2021)
    Springer Nature
    Details
    Publication Date: 2021-01-15
    Description: We reconstruct the composite dynamics of Mt. Vesuvius volcano in the period 2012–2019 from the study of ground deformation, seismicity, and geofluid (groundwater and fumarolic fluids) circulation and recognize complex spatio-temporal variations in these observables at medium (years) and short (months) time-scales. We interpret the observed patterns as the combined effect of structural changes affecting the volcanic edifice and variations of the dynamics of the hydrothermal system. In particular, we identify a change in the activity state of Mt. Vesuvius. After the activity reached minimum levels in 2014, the centroid of the surface manifestations migrated towards the SE. Episodic variations of co-seismic and aseismic deformation and fluid release, if analysed separately, would likely have been interpreted as pseudo-random oscillations of the background geophysical and geochemical signals. When organised in a comprehensive, multiparametric fashion, they shed light on the evolution of the volcano in 4D (x,y,z, time) space. These inferences play a crucial role in the formulation of civil protection scenarios for Mt. Vesuvius, a high risk, densely urbanized volcanic area which has never experienced unrest episodes in the modern era of instrumental volcanology.
    Description: Published
    Description: 965
    Description: 2V. Struttura e sistema di alimentazione dei vulcani
    Description: JCR Journal
    Keywords: recent dynamics ; Mt. Vesuvius ; investigations ; ground deformation ; seismicity ; geofluid circulation
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
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    Self‐stated recovery from flooding: Empirical results from a survey in Central Vietnam (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2021-06-27
    Description: Social inequalities lead to flood resilience inequalities across social groups, a topic that requires improved documentation and understanding. The objective of this paper is to attend to these differences by investigating self‐stated flood recovery across genders in Vietnam as a conceptual replication of earlier results from Germany. This study employs a regression‐based analysis of 1,010 respondents divided between a rural coastal and an urban community in Thua Thien‐Hue province. The results highlight an important set of recovery process‐related variables. The set of relevant variables is similar across genders in terms of inclusion and influence, and includes age, social capital, internal and external support after a flood, perceived severity of previous flood impacts, and the perception of stress‐resilience. However, women were affected more heavily by flooding in terms of longer recovery times, which should be accounted for in risk management. Overall, the studied variables perform similarly in Vietnam and Germany. This study, therefore, conceptually replicates previous results suggesting that women display slightly slower recovery levels as well as that psychological variables influence recovery rates more than adverse flood impacts. This provides an indication of the results' potentially robust nature due to the different socio‐environmental contexts in Germany and Vietnam.
    Keywords: 333.7 ; flood recovery ; resilience ; societal equity ; vulnerability
    Type: article
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    CITATION GEO-LEO
  • 3
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    Training and extension programs on responsible fishing in Thailand (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26244 | 17342 | 2019-02-13 05:35:01 | 26244 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The marine fisheries status has declined in stock and become very critical issue at present. Fisheries regulations and notifications have been issued for solving the problems of fisheries management. Responsible fishing is a new concept developing for the fisheries resources recovery that required more rehabilitation training and extension programs. In Thailand efforts to conserve the fisheries resources such as fisheries regulations by means of close area, close season and mesh size limitation are being enforced. Training and extension programs for fishermen and other people concerned including many conservative projects have been done by the Department of fisheries.
    Keywords: Fisheries ; Fishery regulations ; Season regulations ; Fishery management ; Sustainable fishing ; Sustainability ; Training ; Capacity building ; Education ; Extension activities ; Fishery resources ; Policies ; Fishery policy ; Gear selectivity ; Fishing grounds ; Marine fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 398-404
    Format: 7
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  • 4
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    Fish behaviour approach for improving trawl gear selectivity (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26234 | 17342 | 2019-02-13 06:06:47 | 26234 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Gear selectivity has been a gold-medal goal for research and development in Fishing Technology, for the purpose to increase the target catch and to decrease the bycatch. In case of trawl fisheries, the gear designing by mesh size or shape modifications were only the tools for improving the species/size selectivity. Another approach for the aimed trawl is also practical through the strategy in locating the best fishing ground by use of catch data bases and acoustic devices. The better understanding on fish behaviour can be useful not only for both of the conventional strategies, but also for developing the bycatch reduction devices (BRDs) as the modification of the present gear designs. The aim of gear selectivity in shrimp trawls is classified into 4 categories as Monster excluder, Trash Excluder, Shrimp/Fish Separator, and Species/Size Selection. Another approach to classify the selectivity function is according to the positions for exclusion/selection, as between warps, sweep lines or wings, around net mouth, and in front or rear part of codend. Up to now, varieties of BRDs are in practical use with ideas on size filtration and utilization of behaviour differences in species and sizes. For the size filtration purpose, the mesh size against the body circumference or the grid spacing against the body width inside the codend can be defined as the passive BRDs which may cause the stress and injury for escapees through the gear contact. The active BRDs ahead of the trawl mouth may be the best tool as the conservation strategy without the gear contact damage, by means of understanding for avoidance ability in gear recognition and swimming performance of target and bycatch species.
    Keywords: Fisheries ; Behaviour ; Gear selectivity ; Mesh selectivity ; Fishing gear ; Gear research ; Fishery technology ; Fishing technology ; Fishery development ; By catch ; Discards ; Trawling ; Trawl nets ; Fishery management ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 251-265
    Format: 15
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  • 5
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    Moving towards more responsible fishing practices in Australia’s northern prawn fishery (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26240 | 17342 | 2019-02-13 05:54:37 | 26240 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Bycatch in Australia s Northern Prawn Fishery (NPF) is extremely diverse in both species and size composition. This makes developing responsible fishing practices to reduce the amount of bycatch in the NPF, a complex process. During this study we assessed the performance of Bycatch Reduction Devices (BRDs) that could be used in the NPF. We tested 16 different BRDs which can be grouped into one of 3 categories: (1) inclined grids (2) fish exclusion devices and (3) square-mesh codends. Four inclined grids were tested during our study. All the grids were extremely effective at excluding large animals such as sharks, stingrays and sea turtles. Three different fish exclusion devices were tested. Fish exclusion ranged between 0 and 39 percent, depending on the device. Prawn retention rates for both inclined grids and fish exclusion devices varied between devices. Two sizes of square-mesh codend (38 mm and 45 mm) were also tested. More than 95% of market-sized prawns were retained. Fish exclusion varied greatly between species. Optimum exclusion of bycatch for the NPF could be provided by a combination of devices from each of the three categories.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; By catch ; Shrimp fisheries ; Catch composition ; Commercial species ; By-catch excluder devices ; Discards ; Mesh selectivity ; Gear selectivity
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 356-370
    Format: 15
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  • 6
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    Inmarsat's role in responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26245 | 17342 | 2019-02-13 05:27:14 | 26245 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The paper documents the application of the services of International Maritime Satellite Organization (Inmarsat) to responsible fisheries. Currently known as International Mobile Satellite Organization, offers an increasing array of telecommunication services to business travelers, landmobile, aeronautical, and maritime users, etc. For the maritime industry Inmarsat provides satellite vessel monitoring. The position reports, which optionally may include course and speed, from one or more fishing vessels may be incorporated into a system comprised of hardware and software at a shore-side control station.
    Keywords: Fisheries ; Communication systems ; Satellite communication ; Satellite sensing ; Satellite navigation ; Fishing vessels ; Fishery management ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 405-416
    Format: 12
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  • 7
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    Responsible fisheries training in Canada (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26241 | 17342 | 2019-02-13 05:43:45 | 26241 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The concept of responsible fisheries matters all parties involved in fishing and other related activities that utilize or deal with marine and freshwater resources. The Code of Responsible Fisheries as developed by FAO makes all involved in fisheries aware of what they do, how they do it and consequences of their activities. One of the most important aspects of responsible fisheries initiatives of any countries or regions is responsible fisheries training so that stakeholders are well aware of their activities and possible consequences. Canada is one of the countries making significant progresses in training as well in research and development as related to responsible fisheries. The effort of Canada is broadly based covering the Atlantic and Pacific coasts as well as inland waters. This presentation overviews harvesting-related responsible fisheries guidelines and training initiatives in Canada with emphasis on a new responsible fisheries training program being developed by the Fisheries and Marine Ins.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; FAO Code of Conduct for Responsible Fisheries ; Training ; Capacity building ; Education
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 371-374
    Format: 4
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  • 8
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    Cooperative research networking to facilitate research and development for the reduction of wastage in shrimp fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26249 | 17342 | 2019-02-13 03:52:27 | 26249 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Because of the importance of shrimp trawling fisheries in a number of countries in Asia and the Indian Ocean region and recommendations for more research work in the field of selectivity, in particular through more cooperation between countries, a Cooperative research network in the Asia and Indian Ocean region on selective tropical shrimp trawling was initiated in December 1995 by the Fishing Technology Service of FAO. The overall objective of this on-going networking programme is: in the short term, to gather accurate information on on-going shrimp trawling and catches, data which is necessary for further improvement of the selectivity of these fisheries, and to review recent progress in the region in this field; in the medium term, to facilitate further research on the subject. Details of the activities proposed within the programme are given, as well as the expected participation for its execution. Progress, up to May 1997, is briefly reported. Activities such as field surveys in several countries and a regional workshop soon were not too difficult to arrange. However, cooperation for research work at sea with the participation of experts from several countries is not so easy.
    Keywords: Fisheries ; Shrimp fisheries ; Shrimp spoilage ; Research ; Research programmes ; Trawling ; Fishery management ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 443-450
    Format: 8
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  • 9
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    Strategy for the implementation of the code of conduct for responsible fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26229 | 17342 | 2019-02-13 06:35:32 | 26229 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: This paper presents the strategy for the implementation of the Code of Conduct for Responsible Fisheries (CCRF). CCRF was adopted by the Twenty-eighth Session of the FAO Conference in October 1995. It is of a voluntary nature that covers all fisheries including aquaculture and related activities. It seeks to ensure that aquatic resources are exploited and utilised responsibly and in accordance with long-term principles of sustainability.
    Keywords: Fisheries ; Fisheries ; Sustainable fishing ; Sustainability ; FAO Code of Conduct for Responsible Fisheries ; Fishery management ; Fishery policy
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 192-197
    Format: 6
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  • 10
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    The experiments on turtle excluder devices (TEDs) for shrimp trawl nets in Thailand (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26235 | 17342 | 2019-02-13 03:22:59 | 26235 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The purpose of this paper is to determine a suitable type of Turtle Excluder Device (TED) attached to the body of a shrimp trawl to avoid inflicting harm on marine turtles. Seven types of the TEDs were tested; three brought from U.S.A. namely the Anthony Weedless, the Super Shooter and the Bent Pipe, two brought from Mexico namely the Georgia Jumper and the Mexican, and two were designed by Kasetsart University and SEAFDEC/TD, Thailand, namely the Thai-KU and Thai Turtle Free Device (TTFD), respectively. No turtles were caught in any of the areas off Chumporn and Songkhla during a total of 120 hauls. The escape rate by weight of the Super Shooter and TTFD were found to be 2.67% and 1.80% for day-time operation and 1.91% and 1.04% during the night, respectively, this indicated that they were the most efficient TED. The fuel consumption for all TEDs showed little difference. In terms of convenience in operation, the TTFD was found to be the best and the most suitable TED for the use by Thai fishermen.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 266-297
    Format: 32
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  • 11
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    Southeast United States fisheries bycatch reduction research in shrimp trawl fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26238 | 17342 | 2019-02-13 03:45:16 | 26238 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Presented in the paper are the two devices that were developed by some states in the southeast United States to reduce fisheries bycatch in shrimp trawls. These were Turtle Excluder Device (TED) and Bycatch Reduction Device (BRD). First, the use of TEDs were strongly resisted by some fishermen, however, when it was mandatory and regulations effectively enforced, fishermen found that it improved shrimp production and the quality of catch. Moreover, also presented in the paper are the two bycatch reduction devices that are being regulated into use in United States, the Fisheye BRD, and the Extended Funnel BRD that are found to effectively reduce the finfish bycatch.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries ; By catch ; Sociological aspects
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 329-339
    Format: 11
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  • 12
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    Status of fishing conditions in the Philippines in relation to responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26223 | 17342 | 2019-02-14 03:43:16 | 26223 | Southeast Asian Fisheries Development Center, Training Department
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    Publication Date: 2021-07-24
    Description: In 1990-1995 the aquaculture and commercial fisheries in the Philippines achieved a positive growth, on the other hand, the municipal fisheries has been declining. The government's open-access policy in fisheries had been identified as the cause of the problem. Thus, to address the situation the government regulated the fishing effort within sustainable yield levels. Major fishing technologies and practices were also presented in the paper. Likewise, the policies regulating the area of fishery operations, and the fishing gears were also presented.
    Keywords: Fisheries ; Fishing ; Sustainable fishing ; Sustainability ; Marine fisheries ; Policies ; Fishery policy ; Fishery development ; Fishery management ; Fishing effort ; Fishing gear ; Fishery regulations
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 119-124
    Format: 6
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  • 13
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    Application of the Australian trawl efficiency device in Australia’s northern prawn fishery (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26239 | 17342 | 2019-02-13 03:32:53 | 26239 | Southeast Asian Fisheries Development Center, Training Department
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    Publication Date: 2021-07-24
    Description: The following paper is made up of three field trip reports covering the testing and commercial use of the Australia Trawl Efficiency Device (AusTED). The work was carried out in the Northern Prawn Fishery (NPF) aboard five NPF vessels between July 95 and November 96. The study was undertaken in accordance with the program outlined in the FRDC funded project Development and application of AusTED in the Australia trawl industry. The AusTED performed exceptionally well. In fact big catches of prawns, fish and large marine creatures appear to be what the AusTED requires to fully show off it s value as a trawl efficiency device. It excluded all large creatures encountered while maintaining prawn catches. The reduction in small fish was as high as 60% but averaged around the 30% mark. Testing of the AusTED was carried out on trawlers fishing for tiger prawns and endeavour prawns in the Gulf of Carpentaria (GOC) and red leg banana prawns in the Joseph Bonaparte Gulf (JBG). The following reports cover catch comparisons between standard nets and those rigged with AusTED. Recommendations and personal opinions from NPF skippers operating in the Gulf of Carpentaria and the Joseph Bonaparte Gulf are also included.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries ; Commercial fishing ; Commercial species ; Fishery industry
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 340-355
    Format: 16
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  • 14
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    Training and extension program on responsible fishing in Indonesia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26243 | 17342 | 2019-02-13 05:39:27 | 26243 | Southeast Asian Fisheries Development Center, Training Department
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    Publication Date: 2021-07-24
    Description: Series of research and seminars were currently carried out in Indonesia to build sufficient scientific evidences in formulating national policy on Responsible Fishing. With those activities, it is expected that suitable and proper training materials could be established. Five Fishing Training Center within the country are ready to conduct intensive training program in Responsible Fishing. Action program for this matter, is yet to be planned. A subregional or regional collaboration on research and training material provisions might accelerate the implementation of the Responsible Fishing.
    Keywords: Fisheries ; Fishery management ; Sustainable fishing ; Sustainability ; Training ; Capacity building ; Education ; Extension activities ; Fishery resources ; Policies ; Fishery policy ; Gear selectivity ; Fishing grounds ; Marine fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 389-397
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  • 15
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    Cooperative research in Asian fisheries-future directions and opportunities (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26247 | 17342 | 2019-02-13 03:47:22 | 26247 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The fisheries of many countries in Asia are heavily reliant upon fisheries as a major source of food protein with fish consumption levels two to three times higher than those of western countries and collectively, the region harvests approximately forty percent of the world's marine fishes. With many of the region's fish resources fully exploited or over fished, identification, quantification and reduction of biological waste in commercial fisheries has become a regional priority. However, given the complexity of multi-species fisheries and fish utilization practices as well as the technological difficulties already encountered make finding practical solutions by individual researchers or institutes extremely difficult. Within the region exist human resources, research and development facilities and equipment that if shared could significantly speed up the process of biological waste mitigation. This paper, identifies some of the current problems associated with biological waste mitigation and proposes that resolving these issues is best achieved through information, facility and human resource sharing. An initial target of setting minimum standards for fishing trials, experimental protocols and analytical techniques is proposed with a second step being the establishment of information databases of technologies to reduce biological waste. Administrative support, strategic planning and management of regional databases and the activities of scientists and technologists can only be carried out by a regional agency such as SEAFDEC or ICLARM. International cooperation between agencies, institutes and researchers is a pre-requisite for long term resolution of technological problems.
    Keywords: Fisheries ; International cooperation ; International organizations ; Fishery institutions ; Fishery development ; Fishery organizations ; Research programmes ; Fishery management ; Planning ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 432-442
    Format: 13
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  • 16
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    Guidelines for responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26230 | 17342 | 2019-02-13 06:30:34 | 26230 | Southeast Asian Fisheries Development Center, Training Department
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    Publication Date: 2021-07-24
    Description: A document, Technical Guidelines for Responsible Fisheries, Vol. 1: Fishing Operations has been recently published by FAO to provide practical advice on implementing the provisions of Article 8 of the Code of Conduct regarding fishing operations to ensure all fishing operations are conducted responsibly. These Technical Guidelines are addressed to States, international organizations, fisheries management bodies, owners, managers and charterers of fishing vessels as well as fishers and their organizations. While the Guidelines may be applied by States on a voluntary basis, they give specific responsibility to all States, including Flag States and Port States, to research institutions for resources and environment, and for the fisheries sector in general, in the country and abroad. They also indicate, in detail, the fishing operators’ responsibilities, including proper equipping of fishing vessels, furnishing of documents, authorizations and certificates, as required, respecting of all existing regulations, and reporting in detail on fishing operations and catch, etc. In practice, compliance with the recommendations of the Code regarding fishing operation are very exacting for fishery administrations, skippers and fishermen. To assist in this matter, a number of meetings will be organized in various parts of the world to discuss specific aspects such as fishing gear selectivity and responsible fishing practices, and several global programmes have been elaborated to assist in the training, including responsible fisheries practices, of fishing operators, or for establishment and operation of Monitoring, Control and Surveillance (MCS). Regional bodies and NGOs are taking measures to spread the message about responsible fisheries practices.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Fisheries ; FAO Code of Conduct for Responsible Fisheries ; Guidelines ; Fishery management ; Resource management ; Fishery policy
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 198-206
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  • 17
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    Experiments on the use of turtle excluder devices (TEDs) in Malaysian waters (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26236 | 17342 | 2019-02-13 06:01:12 | 26236 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Trawl experiments deploying a research vessel and two chartered fishermen s boats were conducted to study the suitability of different types of Turtle Excluder Devices attached to the local shrimp trawl nets. A total of 23 hauls from R.V. Kerapu 1 and 24 hauls from chartered boats were made during the study in Zone A, i.e area from shore line to 5 nautical miles). The catches were classified into three different groups namely: shrimp, fish and trash fish to observe the effect of TEDs on catch rates. Two types of TTFD (Thai Turtle Free Device with slight modification) were tested namely: small TED (80cm X 80 cm) and medium TED (80cm X 100cm). The TEDs angle for research vessel and fishermen’s boat were 45° and 55° respectively. The TEDs was designed in such a way to escape the marine turtle while at the same time maintaining the catch. The result showed that, TEDs prevented marine turtles from being trapped in the net but did not affect the catch of fish and shrimp. The average total escape rates by weight of the small and middle size of TEDs in research vessel were found to be 2.3% and 5.25% for day time operation and 0.01% and 4.67% during the night time operation respectively. The escape rates of small and medium size of TEDs in fishermen s boat were 6.53% and 4.05% for day time and 3.34% and 7.7% during night operation respectively. However, the result of the study showed that the use of TEDs did not reduce the catch rate of shrimp. Therefore the small and medium sizes of TEDs were found to be suitable for the use by Malaysian fishermen.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries ; Trash fish
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 298-307
    Format: 10
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  • 18
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    Study on turtle excluder and by-catch reduction devices in the Philippines (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26237 | 17342 | 2019-02-13 07:20:20 | 26237 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Experimental test-fishing of different TED types, namely : modified Thai Turtle Free Device (TTFD), Super Shooter (SS) and Hooped TED were conducted for eight (8) fishing days in March and April 1997 in Manila Bay. Assessment of the TED performance, i.e. its separating efficiency (escapement) and effect to catch (retained) was observed. Likewise, a single cod-end trawl (without TED) was also tested to serve as control. A total catch of 538.3 kgs. were obtained from thirty-two (32) sets of tow or eight (8) tows for each type. Of these, retained catch was 459.62 kgs. (85.38% relative abundance) while escaped accounts a total of 78.7 kgs. or 14.62% of the over-all catch. Lowest escapement was recorded in the modified TTFD with a total of 13.64 kgs or a mean escapement rate of 1.71 kgs. per hour of dragging (11.55% of the over-all catch). The modified TTFD, likewise, has the highest total of shrimps retained with 8.83 kgs or 1.10 kgs/hr (8.45% of the mean total retain) which is slightly higher than the control. Relative escapement rate for shrimps was recorded least in the SS with 0.05 kgs/hr followed closely by modified TTFD with 0.07 kgs/hr/drag. Initial results indicated that the modified TTFD has a better output if the TED performance factor to be considered were least escapement rate and higher shrimp catching efficiency. It is imperative that more test trials be conducted to validate each of the TEDs efficiency. Proof of the actual turtle release is also very crucial to support the use of trawl-fitted with TEDs. Some by-catch reduction devices were also tried. Sorting efficiency of shrimp selective devise with upper and lower panels was tested in shrimp trawl. Shrimps were expected to concentrate at the upper portion because of its behaviour. Preliminary results indicated that greater catching efficiency of the lower bag was observed. Catch difference between shrimps and by-catch at the upper and lower portion of separator grid was significant and sorting efficiency of shrimps from by-catch was low. Studies on square-meshed codends for trawl and Danish seine, and purse seine mesh selectivity are also presented.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Escarpments ; Catch composition ; Catch statistics ; Shrimp fisheries ; Seine nets ; Fishing nets ; Seining ; Net fishing ; Commercial fishing ; Pelagic fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 308-328
    Format: 21
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    Training and extension on selective fishing in the Philippines (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26242 | 17342 | 2019-02-13 03:38:33 | 26242 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Effective conservation and management of the Philippine fishery and aquatic resources must be given due considerations. The Code of Conduct for Responsible Fisheries specifically on Article 7, Section 7.1.1 on Fisheries Management emphasized that the States and all those engaged in fisheries management through appropriate policy, legal and institutional framework should adopt measures for long term conservation and sustainable use of fisheries resources in all political units whether at local, national, subregional or regional levels. Article 8 on Fishing Operations Section 8.1.7 mentioned also that the States should enhance the skills of fishers through appropriate education and training programs which are agreeable to international standards and guidelines; Article 8.5 on Fishing Gear Selectivity, Section 8.5.2 contain that in order to improve selectivity, States should continue drawing up laws and regulations and shall take into account the range of selective fishing gears, methods and strategies available to the industry. The marine fisheries in the Philippines at present is on its crucial stage in view of the overexploitation of majority of the fishery resources and fishing grounds in coastal areas. The fisherfolk in the coastal ecosystem suffered from the destruction caused by illegal fishing practices such as the use of active and exploitative fishing gears/accessories (e.g. trawl, halide lamp in municipal waters), occurrence of cyanide and dynamite fishing, red tide bloom and fish kills. More likely the management of offshore waters should be looked into to avoid further degradation of resources. In view of these situations, sustainable fishing operation techniques as well as programs/strategies to conserve, rehabilitate and manage the country s overall fishery and aquatic resources should be introduced through training and extension as management support strategies. The Training Program component is comprised of knowledge, skills and competencies development and upgrading; preparation of project models; establishment of pilot demonstration project and monitoring and evaluation of the project results and impacts. The Extension Program component includes technical assistance; management and operation of pilot demonstration projects; provision of support services and credit facilities.
    Keywords: Fisheries ; Fishery management ; Sustainable fishing ; Sustainability ; Training ; Capacity building ; Education ; Extension activities ; Fishery resources ; Policies ; Fishery policy ; Gear selectivity ; Fishing grounds ; Marine fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 375-388
    Format: 14
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    Perceptions, values and attitudes of fisherfolk and other coastal stakeholders towards ownership of fisheries resources and its exploitation, management and sustainability (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26662 | 23782 | 2019-07-22 08:43:22 | 26662 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: This paper describes and discusses the values, perceptions and attitudes of fisherfolk and other coastal stakeholders towards ownership of fisheries resources and its exploitation, management and sustainability. It reports on the significant changes and shifts in these values, perceptions and attitudes from the old to the new generation of fisherfolk. Such changes and shifts in values, perceptions, attitudes and mode have been brought about through the spread of awareness and enlightenment of environmental consciousness.
    Keywords: Fisheries ; Fishermen ; Fishery resources ; Fishery management ; Overfishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 210-217
    Format: 8
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    Coral garden & reef rehabilitation project, the establishment of marine reserves and fish sanctuaries of the Bureau of Fisheries and Aquatic Resources (BFAR) in the Philippines (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26928 | 23782 | 2019-11-22 06:30:36 | 26928 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The vastness of the Philippine waters provides significant supply of food and protein as well as opportunities for development for commercial and municipal fisheries. The utilization of such immense marine resource should be geared along sustainability not only for survival, but also to the country s increasing population, environmental degradation, and the state s commitment to the Global competitiveness archetype. The establishment of non-fishing areas in marine protected areas would double fish catch in 5 years (Roberts, 2002).
    Keywords: Fisheries ; Environmental degradation ; Refuges ; Sustainable fishing ; Resource conservation ; Sustainability ; Artificial reefs ; Fishery policy ; Commercial fishing ; Coral reefs ; Fisheries ; Marine parks ; Nature conservation ; Protected areas ; Sanctuaries ; Philippines
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 65-70
    Format: 6
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    Applying the Values of Geoethics for Sustainable Speleotourism Development (2020)
    Springer Nature
    Details
    Publication Date: 2020-09-01
    Description: Establishing sustainable and responsible speleotourism development is a major challenge and involves complex activities. Adequate theoretical starting point is the application of geoethical values related to the conservation and protection of the caves to be used for touristic purposes. Positive and negative cases of human behaviors towards speleological geoheritage are discussed, in order to highlight what should be done in cave management to avoid malpractices and on what elements could be founded adequate strategies aimed at promoting sustainable speleotourism. This is important to tourism management organizations involved in the promotion of caves and in creating economic opportunities for local populations, while respecting cave ecosystems. Modern cave management must be focused on the protection of the cave ecosystems, finding ways to achieve at the same time an economic development of local communities. But this approach needs the adoption of a geoethical framework of values to be shared by all stakeholders involved so that successful cooperation can be achieved despite differences in interests and expectations. The aim of this paper is to raise the awareness about the need to apply the values of geoethics to speleotourism, stimulating new fields of discussion within the scientific and technical communities involved in studies and activities related to geotourism and geoheritage. The possibilities of developing new ways to manage caves, in order to promote a sustainable socio-economic development of local communities, have to be balanced with the protection of natural environments as much as possible. The proposed theoretical frameworks have the goal to increase the discussion on the best ways of connecting speleotourism to sustainable and responsible cave management, presenting two case studies, and pointing out potential solutions.
    Description: Open access funding provided by Istituto Nazionale di Geofisica e Vulcanologia within the CRUI-CARE Agreement
    Description: Published
    Description: id 73
    Description: 7SR AMBIENTE – Servizi e ricerca per la società
    Description: 1TM. Formazione
    Description: 2TM. Divulgazione Scientifica
    Description: JCR Journal
    Keywords: Geoethics ; Responsibility ; Sustainability ; Caves ; Speleotourism ; 05.03. Educational, History of Science, Public Issues ; 05.09. Miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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